ADD W1 Ver.2 BILLET ALUMINUMUniversal oil catch tank Made out of T6061 Aircraft LightweightVer.2 Closed loop system and Breather system Internal baffle DUAL chamber filter Catch9mm & 15mm Fitting / Blue Breather Filter / size 4.25" high ( with breather 6.5" high ) x 2.25" diameterLimited Lifetime Warranty